Optical amplification module and optical switch device

Abstract

An optical amplification module has a semiconductor optical amplifier, a package accommodating the semiconductor optical amplifier, and a first connector and a second connector holding respective collimator lenses and arranged in parallel on the package. A sum of bend radii of the first optical fiber and the second optical fiber is greater than a space between the first connector and the second connector.

What is claimed is: 
     
       1. An optical amplification module comprising:
 a semiconductor optical amplifier; 
 a package that accommodates the semiconductor optical amplifier; 
 a first connector and a second connector that hold respective collimator lenses and are arranged in parallel on the package; and 
 a first optical fiber and a second optical fiber that are connected to the first connector and the second connector, respectively, 
 wherein a sum of bend radii of the first optical fiber and the second optical fiber being greater than a space between the first connector and the second connector. 
 
     
     
       2. The optical amplification module according to  claim 1 , further comprising:
 a temperature detector and a cooler that are accommodated in the package; and 
 a plurality of terminals that supply electric current to the semiconductor optical amplifier, the temperature detector and the cooler, and penetrate through the package and are arranged in parallel; 
 the plurality of terminals being arranged at a first end of the package, the first and second connectors being arranged at a second end of the package, and the first end and the second end being opposite to each other. 
 
     
     
       3. The optical amplification module according to  claim 2  further comprising: a carrier that is accommodated in the package and on which the semiconductor optical amplifier and the temperature detector are mounted; the carrier including a first pattern and a second pattern conductively connected to the semiconductor optical amplifier and disposed on a side closer to the plurality of terminals than the semiconductor optical amplifier, and a third pattern and a fourth pattern conductively connected to the temperature detector and disposed on a side closer to the plurality of terminals than the temperature detector. 
     
     
       4. An optical switch device comprising:
 a first optical amplification module and a second optical amplification module; and 
 an optical splitter capable of distributing inputted light to the first and second optical amplification modules; 
 at least one of the first optical amplification module and the second optical amplification module has a semiconductor optical amplifier, a package accommodating the semiconductor optical amplifier, a first connector and a second connector holding respective collimator lenses and arranged in parallel on the package, and a first optical fiber and a second optical fiber connected to the first connector and the second connector, respectively; 
 a sum of bend radii of the first optical fiber and the second optical fiber being greater than a space between the first connector and the second connector.